CVE-2021-20084 — HIGH (8.8)

Vulnerability Description

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-sparkle 1.5.2-beta allows a malicious user to inject properties into Object.prototype.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Jquery-Sparkle Project	Jquery-Sparkle	1.5.2

Related Weaknesses (CWE)

CWE-1321

References

https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquerExploitThird Party Advisory
https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquerExploitThird Party Advisory

FAQ

What is CVE-2021-20084?

CVE-2021-20084 is a vulnerability with a CVSS score of 8.8 (HIGH). Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-sparkle 1.5.2-beta allows a malicious user to inject properties into Object.prototype.

How severe is CVE-2021-20084?

CVE-2021-20084 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20084?

Check the references section above for vendor advisories and patch information. Affected products include: Jquery-Sparkle Project Jquery-Sparkle.